Vehicle anti-theft lock



FIG. 1 is a top plan view of a vehicle anti-theft lock showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side plan view thereof;

FIG. 4 is a left side plan view thereof;

FIG. 5 is a bottom plan view thereof, with the lock angled to show the bottom end thereof; and,

FIG. 6 is a bottom plan view thereof, with the lock angled to show the top end thereof. 

The ornamental design for a vehicle anti-theft lock, as shown. 